MIPS: BMIPS: Add CFLAGS, Makefile entries for BMIPS

Add CONFIG_CPU_BMIPS* in all of the right places, so that BMIPS kernel
images will compile and run.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2955/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 0be318609fc62832c44fa6a47b1c9670c1e9b2b7..4fedf5a51d965ab9cea3798ab1d2ed3c5298a10b 100644 (file)
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -157,6 +157,7 @@ ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
 cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
 endif
 cflags-$(CONFIG_CAVIUM_CN63XXP1) += -Wa,-mfix-cn63xxp1
+cflags-$(CONFIG_CPU_BMIPS)     += -march=mips32 -Wa,-mips32 -Wa,--trap
 
 cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
 cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)

diff --git a/arch/mips/include/asm/hazards.h b/arch/mips/include/asm/hazards.h
index 8f630e4955326e3857e6a78ed666c7e8425a5c8d..b4c20e4f87cd63f0718b785470478fdb74b5f8fd 100644 (file)
--- a/arch/mips/include/asm/hazards.h
+++ b/arch/mips/include/asm/hazards.h
@@ -87,7 +87,8 @@ do {                                                                  \
        : "=r" (tmp));                                                  \
 } while (0)
 
-#elif defined(CONFIG_CPU_MIPSR1) && !defined(CONFIG_MIPS_ALCHEMY)
+#elif (defined(CONFIG_CPU_MIPSR1) && !defined(CONFIG_MIPS_ALCHEMY)) || \
+       defined(CONFIG_CPU_BMIPS)
 
 /*
  * These are slightly complicated by the fact that we guarantee R1 kernels to

diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index bc01a02cacd8fd95ee3ab50378ae64aee3c701bb..a73bc19ead4e2bb872163c862b260d5b75c3eeb5 100644 (file)
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -74,7 +74,9 @@ search_module_dbetables(unsigned long addr)
 }
 #endif
 
-#ifdef CONFIG_CPU_MIPS32_R1
+#ifdef CONFIG_CPU_BMIPS
+#define MODULE_PROC_FAMILY "BMIPS "
+#elif defined CONFIG_CPU_MIPS32_R1
 #define MODULE_PROC_FAMILY "MIPS32_R1 "
 #elif defined CONFIG_CPU_MIPS32_R2
 #define MODULE_PROC_FAMILY "MIPS32_R2 "